Pediocactus bradyi subsp. winkleri
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Pediocactus bradyi subsp. winkleri |
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| ( KDHeil ) Hochstätter |
Pediocactus bradyi subsp. winkleri is a subspecies of the plant species Pediocactus bradyi in the cactus family(Cactaceae). The specific epithet winkleri honors its discoverer wife Agnes Winkler and her son Jim. English common names are "Winkler's Cactus" and "Winkler's Pincushion Cactus".
The subspecies is threatened and was included in Appendix I of the Washington Convention for the Protection of Endangered Species.
description
The spherical to ovoid individually growing Pediocactus bradyi subsp. winkleri becomes 3.5 to 7 cm long and 2.5 to 5.5 cm wide. The branched beet root, which is also common in the subspecies Pediocactus bradyi subsp. bradyi and Pediocactus bradyi subsp. despainii is present. The yellow, pink, bell-shaped flowers are 1.5 to 2.2 cm long and 1.5 to 3 cm wide. One to three flowers appear irregularly around the apex. Characteristic is the extreme covering of the areoles which occurs in the subspecies Pediocactus bradyi subsp. bradyi and Pediocactus bradyi subsp. despainii is absent.
Geophytic characteristics as well as with the other representatives of the section Rhytidospermae , Pediocactus bradyi and the representatives of the Pediocactus Pediocactus paradinei and Pediocactus knowltonii become clear.
It is hardy to minus 20 ° C when dry . Real-root cultivation is possible in Europe.
Distribution, systematics and endangerment
Pediocactus bradyi subsp. winkleri grows endemically in the Navajoan Desert of Utah in alkaline soils enriched with mussel residues on flat hills at altitudes of 1,450 to 1,650 meters. It is associated there with Sclerocactus wrightiae , Sclerocactus parviflorus , Echinocereus triglochidiatus , Opuntia polyacantha and Yucca species.
The description as Pediocactus bradyi subsp. winkleri took place in 1995 by Fritz Hochstätter. According to Fritz Hochstätter, the correct name is Pediocactus bradyi subsp. winklerorum , as the first description mentions the wife and son and therefore the plural must be chosen for the species name.
Synonyms are:
- Pediocactus winkleri K.D. Heil 1979
- Pediocactus bradyi var. Winklerorum Hochstätter 1979
- Pediocactus simpsonii subsp. winklerorum Halda 2000
- Puebloa bradyi var. Winklerorum Doweld 1999
In the Red List of Threatened Species of the IUCN , the subspecies is called " Least Concern (LC) ". H. listed as not endangered.
photos
Pediocactus bradyi subsp. winkleri :
In bloom in April in Utah.
A typical site in Utah.
In culture in the collection of F. Hochstätter.
Pediocactus bradyi subsp. winkleri , varying flower shape & color in a very small habitat:
Photos taken in April 2008 in Wayne County, Utah
literature
- Fritz Hochstätter (Ed.): At the locations of Pediocactus and Sclerocactus . Self-published, 1989.
- Fritz Hochstätter (Ed.): To the habitats of Pediocactus and Sclerocactus . Self-published, 1990.
- Fritz Hochstätter (Ed.): The Genera Pediocactus, Navajoa, Toumeya . Self-published, 1995.
- Fritz Hochstätter (Ed.): The Genera Pediocactus, Navajoa, Toumeya . English with a German summary. Self-published, 2007, ISBN 978-3-000212444 .
- Steffen Schmidt: Pediocactus bradyi subsp. winkleri in der Natur , KuaS 60 (1): 7-10, 2009
Individual evidence
- ↑ Pediocactus bradyi subsp. winkleri . In: The Genera Pediocactus, Navajoa, Toumeya . 2007. ISBN 978-3-000212444 . Pp. 16–17, photo material pp. 96–101, photo material p. 269, p. 344, pp. 360–361, first description pp. 304–307
- ^ The Genera Pediocactus, Navajoa, Toumeya . 1995, p. 61.
- ^ The Genera Pediocactus, Navajoa, Toumeya . 2007, p. 16.
- ↑ Cact. Succ. J. (US) 51 (1): 28-30. 1979.
- ↑ Succulenta 73 (2): 55, 1994 ("winkleri").
- ↑ Acta Musei Richnoviensis, sect. nature 5 (1): 14 (Jun) 2000 (Josef Jakob Halda erroneously as 1998) ("winkleri").
- ^ Succulenty 2 (1) (numbered as 1 (2): 22. (25 Jul) 1999 ("winkleri").
- ↑ Pediocactus winkleri in the Red List of Threatened Species of the IUCN 2013.2. Listed by: Butterworth, C. & Porter, JM, 2010. Retrieved December 29, 2013.
